#!/usr/bin/python

# The ChartDirector for Python module is assumed to be in "../lib"
import sys, os
sys.path.insert(0, os.path.join(os.path.abspath(sys.path[0]), "..", "lib"))

from pychartdir import *

def createChart(chartIndex) :

    # The value to display on the meter
    value = 74.25

    # Create a LinearMeter object of size 70 x 260 pixels with very light grey (0xeeeeee) backgruond
    # and a grey (0xbbbbbb) 3-pixel thick rounded frame
    m = LinearMeter(70, 260, 0xeeeeee, 0xbbbbbb)
    m.setRoundedFrame(Transparent)
    m.setThickFrame(3)

    # Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale
    # labels are located on the left (default - implies vertical meter).
    m.setMeter(28, 33, 20, 194)

    # Set meter scale from 0 - 100, with a tick every 10 units
    m.setScale(0, 100, 10)

    # Demostrate different types of color scales
    smoothColorScale = [0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000]
    stepColorScale = [0, 0x00dd00, 50, 0xffff00, 80, 0xff0000, 100]
    highColorScale = [70, Transparent, 100, 0xff0000]
    lowColorScale = [0, 0x0000ff, 30, Transparent]

    if chartIndex == 0 :
        # Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0x0088ff, glassEffect(NormalGlare, Left), 4)
        # Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
        m.addColorScale(smoothColorScale, 53, 6)
    elif chartIndex == 1 :
         # Add a green (0x00cc00) bar from 0 to value with bar lighting effect and 4 pixel rounded
         # corners
        m.addBar(0, value, 0x00cc00, barLighting(), 4)
        # Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0
        # to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8)
        # Add a low only color scale at x = 52 (right of meter scale) with thickness varying from 8
        # to 0
        m.addColorScale(lowColorScale, 52, 8, 52, 0)
    elif chartIndex == 2 :
        # Add a purple (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0x8833dd, glassEffect(NormalGlare, Left), 4)
        # Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0
        # to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8)
    elif chartIndex == 3 :
         # Add a orange (0xff8800) bar from 0 to value with cylinder lighting effect
        m.addBar(0, value, 0xff8800, cylinderEffect())
        # Add a high only color scale at x = 53 (right of meter scale)
        m.addColorScale(highColorScale, 53, 6)
    elif chartIndex == 4 :
        # Add a red (0xee3333) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0xee3333, glassEffect(NormalGlare, Left), 4)
        # Add a step color scale at x = 53 (right of meter scale)
        m.addColorScale(stepColorScale, 53, 6)
    else :
         # Add a grey (0xaaaaaa) bar from 0 to value
        m.addBar(0, value, 0xaaaaaa)
        # Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from 0 to
        # 8
        m.addColorScale(smoothColorScale, 52, 0, 52, 8)

    # Add a title using 8pt Arial Bold font with grey (0xbbbbbb) background
    m.addTitle("Temp C", "Arial Bold", 8, TextColor).setBackground(0xbbbbbb)

    # Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold
    # font on a black (0x000000) background with rounded border.
    t = m.addText(m.getWidth() / 2, m.getHeight() - 8, m.formatValue(value, "2"), "Arial Bold", 8,
        0xffffff, Bottom)
    t.setBackground(0x000000)
    t.setRoundedCorners(3)
    t.setMargin2(5, 5, 2, 1)

    # Output the chart
    m.makeChart("whitevbarmeter%s.png" % chartIndex)


createChart(0)
createChart(1)
createChart(2)
createChart(3)
createChart(4)
createChart(5)

